Lintlha tse latelang li lokela ho lebisoa tlhokomelo ha u khetha lisebelisoa tsa ventilation:

1.Hlalosa mofuta oa lisebelisoa tsa moea ho latela morero. Ha ho tsamaisoa likhase tse senyang, lisebelisoa tsa moea tse thibelang ho bola li lokela ho khethoa; mohlala, ha ho tsamaisoa moea o hloekileng, lisebelisoa tsa moea bakeng sa moea o tloaelehileng li ka khethoa; tsamaisa khase e phatlohileng habonolo kapa moea o lerōle Ha u sebelisa thepa e thibelang ho phatloha kapa thepa ea moea e ntšang lerole, jj.

2.Ho ea ka molumo o hlokahalang oa moea, khatello ea moea le mofuta o khethiloeng oa lisebelisoa tsa moea, ho khetholla palo ea mochine oa lisebelisoa tsa moea. Ha ho khethoa palo ea mochini oa lisebelisoa tsa moea, ho nahanoa hore phaephe e ka lutla moea, 'me palo ea tahlehelo ea khatello ea sistimi ka linako tse ling ha e ea nepahala, kahoo bophahamo ba moea le khatello ea moea ea lisebelisoa tsa moea li lokela ho khethoa ho latela foromo;

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Bophahamo ba moea: L'=Kl . L (7-7)

Khatello ea moea: p'=Kp . leq (7-8)

Ka mokhoa, L'\ P'- bophahamo ba moea le khatello ea moea e sebelisoang ha ho khethoa nomoro ea mochine;

L \ p - palo ea moea e baloang le khatello ea moea tsamaisong;

Kl - bophahamo ba moea o eketsehileng coefficient e feletseng, phepelo ea moea ka kakaretso le tsamaiso ea ho qeta Kl = 1.1, tsamaiso ea ho tlosa lerōle Kl = 1.1 ~ 1.14, tsamaiso ea ho tsamaisa moea Kl = 1.15;

Kp - khatello ea moea ntlha e eketsehileng ea tšireletso, phepelo ea moea ka kakaretso le tsamaiso ea ho qeta Kp=1.1 ~ 1.15, tsamaiso ea ho tlosa lerōle Kp=1.15 ~ 1.2, tsamaiso ea phepelo ea moea Kp=1.2.

3. Litekanyetso tsa ts'ebetso ea lisebelisoa tsa moea li lekantsoe tlas'a boemo bo tloaelehileng (khatello ea sepakapaka 101.325Kpa, mocheso oa 20 ° C, mocheso o lekanyelitsoeng 50%, p = 1.2kg / m3 moea), ha maemo a sebele a ts'ebetso a fapane, moea oa moea. moralo Ts'ebetso ea 'nete e tla fetoha (molumo oa moea o ke ke oa fetoha), kahoo litekanyo li lokela ho fetoloa ha u khetha lisebelisoa tsa moea.

4.E le ho nolofalletsa ho hokahanya le ho kenya lisebelisoa tsa moea le liphaephe tsa tsamaiso, tataiso e nepahetseng ea ho tsoa le mokhoa oa phetisetso oa fan o lokela ho khethoa.

5.E le ho nolofatsa tšebeliso e tloaelehileng le ho fokotsa tšilafalo ea lerata, li-ventilator tse nang le lerata le tlaase li lokela ho khethoa ka hohle kamoo ho ka khonehang.

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